Is this like a sound scientific theory that has some relevance to modern times? I could list off a myriad of “this thing has never existed in human history” making current times unique and possibly different when looking at cultural nuances. I get what you’re saying totally, but this is a new era of history with the formation of Alliances like NATO and the EU that has really just started in regards to our span of time. Also, we tend to only hear about the “bloody” years of a society. One war can outshine hundreds or thousands of years with prosperity and peace so the whole doom thing seems like fear mongering.